employees at a plan in china, a major supplier to electronic giants like apple. it grew into a riot, involving about 1,000 employees. it took 5,000 policemen to come break it up. >> you know why, 79,000 workers in a dormitory. i mean, it is so china. that's like rabbits in a hut all piled up on top of each other working long hours with wages that aren't great. i'm not surprised. >> it's amazing. only 2000 or causing the trouble. hard to imagine this many people together, you know, working in these kind of conditions. also can surprising that apple, supposed to be very pro planet, everything that feels good, the san francisco bay area. >> a different story in china were these parts are made. there has been criticism about this before.